Hi every one this is cat cocoa.I just wanted to say that I been on diet for a year and half and I still get sick every now and then.I also get very moody also. I don’t have engry to exersize like going for a walk today I had a very bad day very moody . Whet can I do to make living with pku beter. Thanks for listing please let me know how you feel.thank you. nCatcocoa.